1285368640

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1\times {\mathrm{853}}^1$

素因数の和:1164

約数の個数: 112

約数和(自身を含む): 3256342992

約数和(自身を除く): 1970974352

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 277, 320, 340, 544, 554, 680, 853, 1088, 1108, 1360, 1385, 1706, 2216, 2720, 2770, 3412, 4265, 4432, 4709, 5440, 5540, 6824, 8530, 8864, 9418, 11080, 13648, 14501, 17060, 17728, 18836, 22160, 23545, 27296, 29002, 34120, 37672, 44320, 47090, 54592, 58004, 68240, 72505, 75344, 88640, 94180, 116008, 136480, 145010, 150688, 188360, 232016, 236281, 272960, 290020, 301376, 376720, 464032, 472562, 580040, 753440, 928064, 945124, 1160080, 1181405, 1506880, 1890248, 2320160, 2362810, 3780496, 4016777, 4640320, 4725620, 7560992, 8033554, 9451240, 15121984, 16067108, 18902480, 20083885, 32134216, 37804960, 40167770, 64268432, 75609920, 80335540, 128536864, 160671080, 257073728, 321342160, 642684320, 1285368640]

約数ペア:

[(1, 1285368640), (2, 642684320), (4, 321342160), (5, 257073728), (8, 160671080), (10, 128536864), (16, 80335540), (17, 75609920), (20, 64268432), (32, 40167770), (34, 37804960), (40, 32134216), (64, 20083885), (68, 18902480), (80, 16067108), (85, 15121984), (136, 9451240), (160, 8033554), (170, 7560992), (272, 4725620), (277, 4640320), (320, 4016777), (340, 3780496), (544, 2362810), (554, 2320160), (680, 1890248), (853, 1506880), (1088, 1181405), (1108, 1160080), (1360, 945124), (1385, 928064), (1706, 753440), (2216, 580040), (2720, 472562), (2770, 464032), (3412, 376720), (4265, 301376), (4432, 290020), (4709, 272960), (5440, 236281), (5540, 232016), (6824, 188360), (8530, 150688), (8864, 145010), (9418, 136480), (11080, 116008), (13648, 94180), (14501, 88640), (17060, 75344), (17728, 72505), (18836, 68240), (22160, 58004), (23545, 54592), (27296, 47090), (29002, 44320), (34120, 37672)]